./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_46a-escape_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_46a-escape_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 33eb4dcd0a621d6c4bb6626c0e74463917de75952c777f271b8d23f0dedf14cb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:10:45,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:10:45,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:10:45,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:10:45,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:10:45,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:10:45,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:10:45,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:10:45,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:10:45,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:10:45,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:10:45,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:10:45,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:10:45,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:10:45,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:10:45,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:10:45,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:10:45,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:10:45,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:10:45,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:10:45,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:10:45,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:10:45,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:10:45,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:10:45,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:10:45,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:10:45,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:10:45,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:10:45,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:10:45,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:10:45,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:10:45,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:10:45,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:10:45,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:10:45,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:10:45,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:10:45,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:10:45,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:10:45,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:10:45,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:10:45,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:10:45,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 21:10:45,430 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:10:45,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:10:45,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:10:45,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:10:45,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:10:45,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:10:45,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:10:45,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:10:45,434 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:10:45,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:10:45,434 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:10:45,434 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:10:45,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:10:45,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:10:45,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:10:45,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:10:45,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:10:45,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:10:45,436 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 21:10:45,436 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:10:45,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:10:45,437 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:10:45,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:10:45,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:10:45,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:10:45,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:10:45,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:10:45,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:10:45,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:10:45,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:10:45,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:10:45,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:10:45,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:10:45,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33eb4dcd0a621d6c4bb6626c0e74463917de75952c777f271b8d23f0dedf14cb [2022-11-02 21:10:45,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:10:45,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:10:45,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:10:45,734 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:10:45,735 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:10:45,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/goblint-regression/04-mutex_46a-escape_nr.i [2022-11-02 21:10:45,808 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/data/af02768ed/c28a819df9a94e9f87007607ee1eb5a3/FLAG1852a78ad [2022-11-02 21:10:46,370 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:10:46,371 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/sv-benchmarks/c/goblint-regression/04-mutex_46a-escape_nr.i [2022-11-02 21:10:46,386 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/data/af02768ed/c28a819df9a94e9f87007607ee1eb5a3/FLAG1852a78ad [2022-11-02 21:10:46,651 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/data/af02768ed/c28a819df9a94e9f87007607ee1eb5a3 [2022-11-02 21:10:46,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:10:46,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:10:46,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:10:46,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:10:46,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:10:46,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:46" (1/1) ... [2022-11-02 21:10:46,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5796dc65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:46, skipping insertion in model container [2022-11-02 21:10:46,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:46" (1/1) ... [2022-11-02 21:10:46,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:10:46,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:10:47,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:10:47,357 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:10:47,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:10:47,482 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:10:47,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:47 WrapperNode [2022-11-02 21:10:47,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:10:47,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:10:47,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:10:47,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:10:47,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:47" (1/1) ... [2022-11-02 21:10:47,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:47" (1/1) ... [2022-11-02 21:10:47,554 INFO L138 Inliner]: procedures = 263, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-11-02 21:10:47,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:10:47,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:10:47,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:10:47,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:10:47,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:47" (1/1) ... [2022-11-02 21:10:47,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:47" (1/1) ... [2022-11-02 21:10:47,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:47" (1/1) ... [2022-11-02 21:10:47,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:47" (1/1) ... [2022-11-02 21:10:47,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:47" (1/1) ... [2022-11-02 21:10:47,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:47" (1/1) ... [2022-11-02 21:10:47,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:47" (1/1) ... [2022-11-02 21:10:47,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:47" (1/1) ... [2022-11-02 21:10:47,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:10:47,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:10:47,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:10:47,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:10:47,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:47" (1/1) ... [2022-11-02 21:10:47,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:10:47,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:47,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:10:47,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:10:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:10:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:10:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:10:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:10:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 21:10:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:10:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-02 21:10:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-02 21:10:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:10:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:10:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:10:47,680 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 21:10:47,923 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:10:47,940 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:10:48,233 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:10:48,244 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:10:48,244 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:10:48,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:48 BoogieIcfgContainer [2022-11-02 21:10:48,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:10:48,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:10:48,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:10:48,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:10:48,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:10:46" (1/3) ... [2022-11-02 21:10:48,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b86b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:10:48, skipping insertion in model container [2022-11-02 21:10:48,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:47" (2/3) ... [2022-11-02 21:10:48,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b86b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:10:48, skipping insertion in model container [2022-11-02 21:10:48,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:48" (3/3) ... [2022-11-02 21:10:48,258 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_46a-escape_nr.i [2022-11-02 21:10:48,267 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 21:10:48,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:10:48,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-02 21:10:48,279 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 21:10:48,403 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-02 21:10:48,453 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 21:10:48,475 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 75 transitions, 158 flow [2022-11-02 21:10:48,480 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 75 transitions, 158 flow [2022-11-02 21:10:48,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 158 flow [2022-11-02 21:10:48,549 INFO L130 PetriNetUnfolder]: 0/74 cut-off events. [2022-11-02 21:10:48,549 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-02 21:10:48,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 0/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-02 21:10:48,553 INFO L118 LiptonReduction]: Number of co-enabled transitions 480 [2022-11-02 21:10:51,760 INFO L133 LiptonReduction]: Checked pairs total: 1234 [2022-11-02 21:10:51,760 INFO L135 LiptonReduction]: Total number of compositions: 65 [2022-11-02 21:10:51,771 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 18 transitions, 44 flow [2022-11-02 21:10:51,785 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 52 states, 42 states have (on average 2.0714285714285716) internal successors, (87), 51 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:51,803 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:10:51,809 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@90eb9cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:10:51,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-02 21:10:51,812 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 42 states have (on average 2.0714285714285716) internal successors, (87), 51 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:51,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-02 21:10:51,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:51,817 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-02 21:10:51,818 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-02 21:10:51,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:51,824 INFO L85 PathProgramCache]: Analyzing trace with hash 259107, now seen corresponding path program 1 times [2022-11-02 21:10:51,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:51,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654810913] [2022-11-02 21:10:51,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:51,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:10:52,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:52,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654810913] [2022-11-02 21:10:52,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654810913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:52,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:52,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 21:10:52,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120942883] [2022-11-02 21:10:52,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:52,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:10:52,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:52,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:10:52,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:10:52,358 INFO L87 Difference]: Start difference. First operand has 52 states, 42 states have (on average 2.0714285714285716) internal successors, (87), 51 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:52,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:52,403 INFO L93 Difference]: Finished difference Result 45 states and 74 transitions. [2022-11-02 21:10:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:10:52,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-02 21:10:52,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:52,415 INFO L225 Difference]: With dead ends: 45 [2022-11-02 21:10:52,415 INFO L226 Difference]: Without dead ends: 39 [2022-11-02 21:10:52,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:10:52,421 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:52,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 0 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:10:52,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-02 21:10:52,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-02 21:10:52,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.8235294117647058) internal successors, (62), 38 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 62 transitions. [2022-11-02 21:10:52,465 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 62 transitions. Word has length 3 [2022-11-02 21:10:52,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:52,466 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 62 transitions. [2022-11-02 21:10:52,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:52,466 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2022-11-02 21:10:52,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-02 21:10:52,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:52,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-02 21:10:52,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:10:52,472 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-02 21:10:52,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:52,473 INFO L85 PathProgramCache]: Analyzing trace with hash 259109, now seen corresponding path program 1 times [2022-11-02 21:10:52,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:52,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209731028] [2022-11-02 21:10:52,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:52,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:52,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:10:52,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:52,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209731028] [2022-11-02 21:10:52,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209731028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:52,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:52,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:10:52,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775217602] [2022-11-02 21:10:52,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:52,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:10:52,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:52,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:10:52,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:10:52,693 INFO L87 Difference]: Start difference. First operand 39 states and 62 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:52,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:52,740 INFO L93 Difference]: Finished difference Result 32 states and 49 transitions. [2022-11-02 21:10:52,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 21:10:52,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-02 21:10:52,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:52,742 INFO L225 Difference]: With dead ends: 32 [2022-11-02 21:10:52,743 INFO L226 Difference]: Without dead ends: 32 [2022-11-02 21:10:52,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:10:52,746 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:52,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 0 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:10:52,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-02 21:10:52,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-02 21:10:52,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 29 states have (on average 1.6896551724137931) internal successors, (49), 31 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:52,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 49 transitions. [2022-11-02 21:10:52,765 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 49 transitions. Word has length 3 [2022-11-02 21:10:52,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:52,766 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 49 transitions. [2022-11-02 21:10:52,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:52,766 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2022-11-02 21:10:52,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-02 21:10:52,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:52,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-02 21:10:52,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:10:52,769 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-02 21:10:52,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:52,770 INFO L85 PathProgramCache]: Analyzing trace with hash 8032215, now seen corresponding path program 1 times [2022-11-02 21:10:52,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:52,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569108561] [2022-11-02 21:10:52,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:52,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:52,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:10:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:52,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:10:52,854 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 21:10:52,855 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2022-11-02 21:10:52,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2022-11-02 21:10:52,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 7 remaining) [2022-11-02 21:10:52,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-11-02 21:10:52,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2022-11-02 21:10:52,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2022-11-02 21:10:52,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2022-11-02 21:10:52,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:10:52,860 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-02 21:10:52,866 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 21:10:52,866 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:10:52,877 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,878 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-11-02 21:10:52,878 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,878 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-11-02 21:10:52,878 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,879 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-11-02 21:10:52,879 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,879 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-11-02 21:10:52,879 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,879 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-11-02 21:10:52,879 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,880 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-11-02 21:10:52,880 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,880 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-11-02 21:10:52,880 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,880 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-11-02 21:10:52,881 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,881 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-11-02 21:10:52,881 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,881 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-11-02 21:10:52,881 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,882 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-11-02 21:10:52,882 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,882 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-11-02 21:10:52,882 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,882 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-11-02 21:10:52,883 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,883 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-11-02 21:10:52,883 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,883 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-11-02 21:10:52,883 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,883 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-11-02 21:10:52,884 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,884 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-11-02 21:10:52,884 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,884 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-11-02 21:10:52,885 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,885 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-11-02 21:10:52,885 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,885 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-11-02 21:10:52,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:10:52 BasicIcfg [2022-11-02 21:10:52,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:10:52,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:10:52,900 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:10:52,900 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:10:52,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:48" (3/4) ... [2022-11-02 21:10:52,903 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-02 21:10:52,905 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,905 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-11-02 21:10:52,905 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,906 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-11-02 21:10:52,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,906 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-11-02 21:10:52,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,907 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-11-02 21:10:52,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,907 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-11-02 21:10:52,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,907 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-11-02 21:10:52,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,908 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-11-02 21:10:52,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,908 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-11-02 21:10:52,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,909 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-11-02 21:10:52,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,909 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-11-02 21:10:52,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,909 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-11-02 21:10:52,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,910 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-11-02 21:10:52,910 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,910 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-11-02 21:10:52,910 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,911 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-11-02 21:10:52,911 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,911 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-11-02 21:10:52,911 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,911 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2022-11-02 21:10:52,912 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,912 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2022-11-02 21:10:52,912 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,912 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2022-11-02 21:10:52,913 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,913 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2022-11-02 21:10:52,913 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2022-11-02 21:10:52,913 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2022-11-02 21:10:52,943 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:10:52,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:10:52,944 INFO L158 Benchmark]: Toolchain (without parser) took 6286.34ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 60.3MB in the beginning and 99.8MB in the end (delta: -39.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:10:52,944 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:10:52,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 821.95ms. Allocated memory is still 100.7MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 52.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 21:10:52,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.97ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 57.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:10:52,945 INFO L158 Benchmark]: Boogie Preprocessor took 26.19ms. Allocated memory is still 100.7MB. Free memory was 57.7MB in the beginning and 56.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:10:52,946 INFO L158 Benchmark]: RCFGBuilder took 664.08ms. Allocated memory is still 100.7MB. Free memory was 56.2MB in the beginning and 43.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 21:10:52,946 INFO L158 Benchmark]: TraceAbstraction took 4650.76ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 42.4MB in the beginning and 104.0MB in the end (delta: -61.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:10:52,947 INFO L158 Benchmark]: Witness Printer took 43.72ms. Allocated memory is still 136.3MB. Free memory was 104.0MB in the beginning and 99.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:10:52,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 821.95ms. Allocated memory is still 100.7MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 52.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.97ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 57.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.19ms. Allocated memory is still 100.7MB. Free memory was 57.7MB in the beginning and 56.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.08ms. Allocated memory is still 100.7MB. Free memory was 56.2MB in the beginning and 43.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4650.76ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 42.4MB in the beginning and 104.0MB in the end (delta: -61.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.72ms. Allocated memory is still 136.3MB. Free memory was 104.0MB in the beginning and 99.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 79 PlacesBefore, 22 PlacesAfterwards, 75 TransitionsBefore, 18 TransitionsAfterwards, 480 CoEnabledTransitionPairs, 6 FixpointIterations, 39 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 65 TotalNumberOfCompositions, 1234 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 746, positive: 623, positive conditional: 0, positive unconditional: 623, negative: 123, negative conditional: 0, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 365, positive: 328, positive conditional: 0, positive unconditional: 328, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 365, positive: 321, positive conditional: 0, positive unconditional: 321, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 746, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 365, unknown conditional: 0, unknown unconditional: 365] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 924]: integer overflow possible integer overflow possible We found a FailurePath: [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L929] 0 pthread_t id; [L930] 0 int i = __VERIFIER_nondet_int(); [L930] 0 int i = __VERIFIER_nondet_int(); [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [arg={3:0}, i={3:0}, id={2:0}, mutex1={1:0}, mutex2=0, mutex2=0, mutex2=0, mutex2=0, mutex2=0, pthread_create(&id, ((void *)0), t_fun, (void *) &i)=-1] [L922] 1 int *p = (int *) arg; [L924] EXPR 1 \read(*p) [L924] 1 (*p)++ VAL [(*p)++=2147483647, \read(*p)=2147483647, arg={3:0}, arg={3:0}, mutex1={1:0}, mutex2=0, mutex2=0, mutex2=0, mutex2=0, mutex2=0, p={3:0}] - UnprovableResult [Line: 934]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 94 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-02 21:10:53,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec755a48-860d-4f78-af25-8373fcb153ed/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)